THAMES21 LIMITED
Registration #1103997 · Registered
www.thames21.org.ukinfo@thames21.org.uk
CITY OF LONDON GUILDHALL EC2V 7HH
Thames21 is an environmental charity that restores rivers across London and the Thames Basin to tackle the climate and biodiversity crisis, inspiring communities to enjoy, speak up for and look after them over the long term.
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About THAMES21 LIMITED
THAMES21 LIMITED is a registered charity in England and Wales (registration number 1103997). Based on official Charity Commission data, it holds a "Platinum" rating with a CharityScore of 88/100 — one of the highest-rated charities in England and Wales for governance and transparency. This places it among the top-rated charities in our database, reflecting strong performance across governance, financial health, and regulatory compliance. In its most recent reporting year (2025), THAMES21 LIMITED reported a total income of £3,186,044 and total expenditure of £3,326,295, a spending ratio of 104% which is broadly in line with its income. According to the Charity Commission register, THAMES21 LIMITED describes its activities as follows: Thames21 is an environmental charity that restores rivers across London and the Thames Basin to tackle the climate and biodiversity crisis, inspiring communities to enjoy, speak up for and look after them over the long term. Our analysis found no significant governance concerns for THAMES21 LIMITED. No regulatory actions, filing failures, or financial anomalies were detected in the available public data. This profile is based on data publicly available from the Charity Commission for England and Wales and is updated periodically as new filings are processed. CharityScore UK provides independent, data-driven transparency ratings to help donors give with confidence — we are not affiliated with this charity or any government body.

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Financial History
Latest spending ratio: 104.4% of income spent on charitable work
| Year | Income | Spending | Ratio |
|---|---|---|---|
| 2025 | £3,186,044 | £3,326,295 | 104% |
Data sourced from the Charity Commission for England & Wales · Last scored 6/11/2026